pub fn get_token_transition_keys(
alphabet_symbol_mapping: &FxHashMap<String, TransitionKey>,
alphabet_anything_value: TransitionKey,
token_str: &str,
) -> Vec<TransitionKey>pub fn get_token_transition_keys(
alphabet_symbol_mapping: &FxHashMap<String, TransitionKey>,
alphabet_anything_value: TransitionKey,
token_str: &str,
) -> Vec<TransitionKey>